KR20030037786A - heater of drum type washing machine - Google Patents

heater of drum type washing machine Download PDF

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Publication number
KR20030037786A
KR20030037786A KR1020010068649A KR20010068649A KR20030037786A KR 20030037786 A KR20030037786 A KR 20030037786A KR 1020010068649 A KR1020010068649 A KR 1020010068649A KR 20010068649 A KR20010068649 A KR 20010068649A KR 20030037786 A KR20030037786 A KR 20030037786A
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KR
South Korea
Prior art keywords
heater
washing machine
layer
cemented carbide
drum
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KR1020010068649A
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Korean (ko)
Inventor
최성봉
김영수
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엘지전자 주식회사
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Priority to KR1020010068649A priority Critical patent/KR20030037786A/en
Publication of KR20030037786A publication Critical patent/KR20030037786A/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/085—Infrared radiation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

PURPOSE: A heater of a drum washing machine is provided to prevent corrosion and wear by forming the cemented carbide layer in the surface of a heater, and to sterilize washing water by heating washing or rinsing water with radiating far infrared rays from the heater. CONSTITUTION: A heater(50) of a drum washing machine is composed of a hot wire(500) formed in the middle of the heater; a magnesia layer(510) covering the hot wire; a stainless steel alloy layer(520) surrounding the outside of the magnesia layer; and a cemented carbide layer(530) covering the stainless steel alloy layer. Wear and corrosion are prevented by coating the surface of the heater with the cemented carbide through plasma. Water is heated by radiating far infrared rays from the heater, and sterilization washing is performed by eliminating pollutants from washing water.

Description

드럼세탁기의 히터{heater of drum type washing machine}Heater of drum type washing machine

본 발명은 드럼세탁기에 관한 것으로서, 보다 상세하게는 드럼세탁기의 히터 구조 개선에 관한 것이다.The present invention relates to a drum washing machine, and more particularly, to improving the heater structure of the drum washing machine.

일반적으로 드럼세탁기는 세제와 세탁수 및 세탁물이 드럼 내에 투입된 상태에서, 구동부의 구동력을 전달받아 회전하는 드럼과 세탁물의 마찰력을 이용하여세탁을 행하는 방식으로서, 세탁물의 손상이 적고, 세탁물이 잘 엉키지 않으며, 두드리고 비벼빠는 세탁효과를 낼 수 있도록 한 것이다.In general, the drum washing machine is a method of washing by using the friction force of the rotating drum and the laundry by receiving the driving force of the driving unit in the state in which detergent, washing water and laundry are put in the drum, the damage of the laundry is less, the laundry is not tangled well And, pounding and rubbing is to make the laundry effect.

도 1은 종래 일반적인 드럼세탁기의 구조를 개략적으로 나타낸 측단면도로서, 상기 도 1을 참조하여 종래 일반적인 드럼세탁기의 개략적인 구조를 설명하면 다음과 같다.1 is a side cross-sectional view schematically showing the structure of a conventional drum washing machine. Referring to FIG. 1, a schematic structure of a conventional drum washing machine will be described.

아웃케이스(100) 내측에는 원통형의 터브(10,tub)가 그 축방향과 설치면이 평행하도록 설치되고, 상기 터브(10)의 내측에는 원통형의 드럼(20)이 구동부(30)의 구동력에 의해 회전 가능하게 설치된다.A cylindrical tub 10 is installed inside the outer case 100 so that its axial direction and the mounting surface are parallel to each other, and a cylindrical drum 20 is formed inside the tub 10 by the driving force of the driving unit 30. By rotatable installation.

그리하여, 상기 구동부(30)의 구동력에 의해 드럼(20)이 회전하면서 그 내측에 투입된 세탁물이 드럼(20)의 회전에 의해 그 내면을 따라 상측으로 소정 높이 까지 상승하였다가 떨어지는 과정을 반복하면서 세탁물과 드럼 내면 및 세탁수와의 마찰에 의해 세탁이 이루어지게 된다.Thus, while the drum 20 is rotated by the driving force of the drive unit 30, the laundry loaded into the inside of the laundry 20 is repeatedly raised to a predetermined height along the inner surface thereof by the rotation of the drum 20, and then the laundry is repeated. Washing is performed by friction with the drum inner surface and the wash water.

그리고, 이러한 드럼세탁기의 세탁성능을 향상시키기 위하여, 상기 터브(10)의 하부 일측에 헤드고정부(19)를 구비하고, 상기 헤드고정부(19)에는 히터(50)의 헤드부(51)를 고정 설치하여, 세탁행정시 사용자의 조작에 의해 필요에 따라 상기 히터(50)를 작동시켜 세탁수를 가열함으로써 삶는 세탁 기능을 수행하게 된다.In addition, in order to improve the washing performance of the drum washing machine, a head fixing portion 19 is provided at the lower side of the tub 10, and the head fixing portion 19 has a head portion 51 of the heater 50. By installing the fixed, the washing operation by heating the washing water by operating the heater 50 as necessary by the user's operation during the washing administration performs a washing function.

한편, 도 1에 도시된 일반적인 드럼세탁기와는 달리 세탁물의 투입 및 인출을 용이하게 하기 위하여 드럼(20)의 회전축 및 터브(10)가 세탁기의 설치면에 대해 수평상태가 아닌 소정 각도만큼 기울어져 설치된 경사방식 드럼세탁기가 도 2에 도시되어 있다.On the other hand, unlike the conventional drum washing machine shown in Figure 1 in order to facilitate the loading and withdrawal of the laundry, the rotating shaft and tub 10 of the drum 20 is inclined by a predetermined angle rather than a horizontal state with respect to the installation surface of the washing machine The installed warp drum washing machine is shown in FIG. 2.

도 2에 도시된 경사방식 드럼세탁기는 일반적인 드럼세탁기가 가지고 있는 우수한 세탁성능 및 세탁물의 손상이 적다는 장점과 더불어 세탁물의 투입 및 인출이 편리하다는 장점이 있다.Inclined drum washing machine shown in Figure 2 has the advantage of excellent laundry performance and less damage to the laundry has a general drum washing machine has the advantage of convenient laundry input and withdrawal.

한편, 이와 같은 드럼세탁기에 적용되는 히터(50)는 그 중앙부에 전원인가와 더불어 열을 발생하는 열선(500)이 구비되어 있으며, 그 외측으로는 절연과 열전달을 위한 산화마그네슘이 충진된 산화마그네슘층(510)이 구비되어 있으며, 그 전체를 녹이 발생하지 않는 스테인레스 합금층(520)이 감싸고 있다.On the other hand, the heater 50 applied to such a drum washing machine is provided with a heating wire 500 for generating heat in addition to applying power to the center, the outside of the magnesium oxide filled with magnesium oxide for insulation and heat transfer The layer 510 is provided, and a stainless alloy layer 520 which does not generate rust is enclosed in its entirety.

이와 같은 히터(50)의 사용목적은 경도가 높은 지역에서는 만족할 만한 세탁성능이 발휘되지 않기 때문에 세탁수의 온도를 높여서 세탁성능을 향상시키고자 함에 있다.The purpose of the use of the heater 50 is to improve the washing performance by increasing the temperature of the washing water because satisfactory washing performance is not exhibited in a region of high hardness.

그러나, 종래 구조의 히터(50)는 사용초기에는 괜찮으나 시간이 지남에 따라 쉽게 부식(腐蝕) 또는 마모가 발생하는 단점이 있었다.However, the heater 50 of the conventional structure has a disadvantage in that it is fine at the beginning of use, but corrosion or wear occurs easily over time.

본 발명은 세탁수 또는 헹굼수의 가열에 쓰이는 히터의 표면을 플라즈마 처리하여 초경피막을 형성하므로써 오랜 시간이 지나더라도 부식 또는 마모가 발생하지 않도록 하여 내부식성 및 내마모성이 향상된 히터를 구비한 드럼세탁기를 제공하는데 그 목적이 있다.The present invention is a drum washing machine having a heater that has improved corrosion resistance and wear resistance by preventing the corrosion or abrasion even after a long time by forming a cemented carbide coating by plasma treatment of the surface of the heater used for heating the washing water or rinsing water The purpose is to provide.

도 1은 일반적인 드럼세탁기의 구조를 개략적으로 나타낸 측단면도Figure 1 is a side cross-sectional view schematically showing the structure of a general drum washing machine

도 2는 경사방식 드럼세탁기의 구조를 개략적으로 나타낸 측단면도Figure 2 is a side cross-sectional view schematically showing the structure of an inclined drum washing machine

도 3은 종래의 히터 구조를 나타낸 단면도3 is a cross-sectional view showing a conventional heater structure

도 4는 본 발명에 따른 히터 구조를 나타낸 단면도,4 is a cross-sectional view showing a heater structure according to the present invention;

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10:터브 20:드럼10: Tub 20: Drum

50:히터 500:열선50: heater 500: heating wire

510:산화마그네슘층 520:스테인레스 합금층510: magnesium oxide layer 520: stainless alloy layer

530:초경피막530: cemented carbide coating

상기한 목적을 달성하기 위하여, 본 발명은 중앙부에 구비되는 열선과, 상기 열선을 감싸는 산화마그네슘층과, 상기 산화마그네슘층 외측을 감싸는 스테인레스합금층과, 상기 스테인레스 합금층을 감싸는 초경피막층을 포함하여서 됨을 특징으로 드럼세탁기의 히터 구조가 제공된다.In order to achieve the above object, the present invention includes a heating wire provided in the center portion, a magnesium oxide layer surrounding the heating wire, a stainless alloy layer surrounding the magnesium oxide layer outside, and a cemented carbide coating layer surrounding the stainless alloy layer The heater structure of the drum washing machine is provided.

이하, 본 발명의 바람직한 실시예를 도시된 도면을 참조하여 보다 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings.

이하의 설명에서 드럼세탁기의 주요 구성요소에 대해서는 도 1 및 도 2에 따라 전술한 종래의 기술을 참조하며, 그 상세한 설명은 생략한다.In the following description, the main components of the drum washing machine will be described with reference to the above-described prior art according to FIGS. 1 and 2, and the detailed description thereof will be omitted.

도 3은 종래의 히터 구조를 나타낸 단면도이고, 도 4는 본 발명에 따른 히터(50) 구조를 나타낸 단면도로서, 본 발명은 드럼세탁기에 구비되어 세탁행정시 세탁수를 가열하도록 된 히터(50) 구조가, 중앙부에 구비되는 열선(500)과, 상기 열선(500)을 감싸는 산화마그네슘층(510)과, 상기 산화마그네슘층(510) 외측을 감싸는 스테인레스 합금층(520)과, 상기 스테인레스 합금층(520)을 감싸는 초경피막층(530)을 포함하여서 이루어진다.3 is a cross-sectional view showing a conventional heater structure, Figure 4 is a cross-sectional view showing a structure of the heater 50 according to the present invention, the present invention is provided with a drum washing machine heater 50 to heat the wash water during the washing administration The structure includes a hot wire 500 having a central portion, a magnesium oxide layer 510 surrounding the hot wire 500, a stainless alloy layer 520 covering the outside of the magnesium oxide layer 510, and the stainless alloy layer. It comprises a cemented carbide film 530 surrounding the (520).

이 때, 상기 초경피막층(530)은 TiN/C, Crn/C, AlN 중 어느 하나로 이루어지며, 플라즈마 처리에 의해 형성된 층이다.At this time, the cemented carbide layer 530 is made of any one of TiN / C, Crn / C, AlN, is a layer formed by a plasma treatment.

이러한 구성으로 이루어진 본 발명의 작용효과를 설명하면 다음과 같다.Referring to the effect of the present invention made of such a configuration as follows.

본 발명의 히터(50)를 구비한 경우에는, 사용초기의 성능은 우수하나 시간이 지날수록 친수성능이 나빠지는 경시변화(經時變化; aging) 현상이 해소된다.In the case where the heater 50 of the present invention is provided, the aging phenomenon that the performance of initial use is excellent but the hydrophilic performance deteriorates with time, is eliminated.

즉, 본 발명의 히터(50)는 표면에 TiN/C, Crn/C, AlN 등과 같은 초경피막이 코팅됨으로써 표면의 내마모, 내부식 성질이 개선된다.That is, the heater 50 of the present invention is coated with a cemented carbide coating such as TiN / C, Crn / C, AlN on the surface is improved wear resistance, corrosion resistance of the surface.

이 때, 초경피막 형성을 위해 플라즈마를 이용한 증착법을 사용할 경우에는피막의 부착력이 좋고 증착온도가 낮아서, 모재의 변형 및 변성을 줄일 수 있게 되는 장점이 있다.At this time, in the case of using a deposition method using plasma to form a cemented carbide film, the adhesion of the film is good and the deposition temperature is low, there is an advantage that the deformation and deformation of the base material can be reduced.

참고적으로, 플라즈마는 물질이 제4의 상태라고 불리는 것으로서, 기체 상태의 물질을 더욱 가열하면 원자들은 각각 분리되어 플라즈마라고 부르는 자유전자와 이온핵으로 이루어진 상태가 되는데, 이러한 특성을 이용하여 금속표면을 처리하게 됩니다.For reference, a plasma is called a fourth state, and when a gas-like substance is further heated, atoms are separated into free electrons and an ion nucleus called plasma. Will be processed.

즉, 전극(Electrode)에 음극(-)을 연결하고 히터에 양극(+)을 연결한 상태에서 진공상태의 공정챔버 내부로 공정가스를 주입하고 고주파를 인가하면, 공정챔버 내부에서 플라즈마가 형성되고, 플라즈마 입자들이 히터(50)의 표면에 코팅되어 초경피막층(530)을 형성하게 된다.In other words, when a process gas is injected into the process chamber in a vacuum state and high frequency is applied while a cathode (-) is connected to an electrode and an anode (+) is connected to a heater, plasma is formed inside the process chamber. Plasma particles are coated on the surface of the heater 50 to form the cemented carbide layer 530.

한편, 상술한 바와 같은 본 발명의 실시예는 본 발명의 이해를 돕기 위하여 구성한 것으로서, 본 발명은 단순히 전술한 실시예에만 한정되는 것은 아니며, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 다양한 변형이 가능하다.On the other hand, embodiments of the present invention as described above are configured to help the understanding of the present invention, the present invention is not limited only to the above-described embodiments, various modifications within the scope not departing from the technical spirit of the present invention It is possible.

이상에서 상세히 설명한 바와 같이, 본 발명에 의하면 히터의 구조 개선에 의해 세탁수 또는 헹굼수의 가열시 히터로부터 원적외선이 방사되므로써, 세탁수 또는 헹굼수를 가열함과 더불어 세탁수내의 오염물질과 독성을 제거하여 살균 세탁이 가능하게 되는 효과를 가져오게 된다.As described in detail above, according to the present invention, the far infrared rays are radiated from the heater when the washing water or the rinsing water is heated by improving the structure of the heater, thereby heating the washing water or the rinsing water, and contaminants and toxicity in the washing water. Removal has the effect of enabling sterile washing.

Claims (3)

중앙부에 구비되는 열선과,A heating wire provided at the center portion, 상기 열선을 감싸는 산화마그네슘층과,A magnesium oxide layer surrounding the hot wire, 상기 산화마그네슘층 외측을 감싸는 스테인레스 합금층과,A stainless alloy layer surrounding the magnesium oxide layer; 상기 스테인레스 합금층을 감싸는 초경피막층;을 포함하여서 이루어짐을 특징으로 하는 드럼세탁기의 히터.Carbide coating layer surrounding the stainless alloy layer; heater of a drum washing machine comprising a. 제 1 항에 있어서,The method of claim 1, 상기 초경피막층은 TiN/C, Crn/C, AlN 중 어느 하나로 이루어짐을 특징으로 하는 드럼세탁기의 히터.The cemented carbide coating layer is a heater of a drum washing machine, characterized in that made of any one of TiN / C, Crn / C, AlN. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2, 상기 초경피막층은 플라즈마 처리에 의해 형성됨을 특징으로 하는 드럼세탁기의 히터.The cemented carbide coating layer is a heater of a drum washing machine, characterized in that formed by plasma treatment.
KR1020010068649A 2001-11-05 2001-11-05 heater of drum type washing machine KR20030037786A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100595188B1 (en) * 2003-09-24 2006-07-03 엘지전자 주식회사 condenser of condensing type clothes dryer
WO2010090389A2 (en) 2009-02-03 2010-08-12 (주)더몰론코리아 Ceramic-coated heater which can be used in water or air
KR101309425B1 (en) * 2011-06-28 2013-09-23 한광희 Electrical heating element for hip bath
KR20160014919A (en) 2014-07-30 2016-02-12 김수민 Mineral Coating Method for Heating Bar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100595188B1 (en) * 2003-09-24 2006-07-03 엘지전자 주식회사 condenser of condensing type clothes dryer
WO2010090389A2 (en) 2009-02-03 2010-08-12 (주)더몰론코리아 Ceramic-coated heater which can be used in water or air
KR101309425B1 (en) * 2011-06-28 2013-09-23 한광희 Electrical heating element for hip bath
KR20160014919A (en) 2014-07-30 2016-02-12 김수민 Mineral Coating Method for Heating Bar

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